Front grille for an automobile



FIG. 1 is a front perspective view of a front grille for an automobile showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right-side view thereof, with the left-side view being a mirror image; and,

FIG. 4 is a top view thereof.

The black piece with the four holes in the center of FIGS. 1, 2 and 4 forms no part of the claimed design. 

The ornamental design for a front grille for an automobile, as shown and described. 